<title>Bug 1134206 - Ruby line spacing adjustment on quirks mode</title>
<ruby>
  <rb>base</rb>
  <rtc style="ruby-position: over; font-size: 80%;"><rt style="color: transparent">text</rt></rtc>
  <rtc style="ruby-position: under; font-size: 50%;"><rt style="color: transparent">text</rt></rtc>
</ruby><br>
next line
